0b6a182c
 Hu Chunming
添加无鉴权注册和注销
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// Copyright (c) 2016 Klemens D. Morgenstern
//
// Distributed under the Boost Software License, Version 1.0. (See accompanying
// file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)
#ifndef BOOST_PROCESS_POSIX_HPP_
#define BOOST_PROCESS_POSIX_HPP_
#include <boost/process/detail/posix/fd.hpp>
#include <boost/process/detail/posix/handler.hpp>
#include <boost/process/detail/posix/use_vfork.hpp>
#include <boost/process/detail/posix/signal.hpp>
/** \file boost/process/posix.hpp
*
* Header which provides the posix extensions.
\xmlonly
<programlisting>
namespace boost {
namespace process {
namespace posix {
<emphasis>unspecified</emphasis> <globalname alt="boost::process::posix::fd">fd</globalname>;
<emphasis>unspecified</emphasis> <globalname alt="boost::process::posix::sig">sig</globalname>;
<emphasis>unspecified</emphasis> <globalname alt="boost::process::posix::use_vfork">use_vfork</globalname>;
}
}
}
</programlisting>
* \endxmlonly
* \warning Only available on posix. See the documentation of [fork](http://pubs.opengroup.org/onlinepubs/009695399/functions/fork.html),
* [execve](http://pubs.opengroup.org/onlinepubs/009695399/functions/execve.html) and
* [vfork](http://pubs.opengroup.org/onlinepubs/009695399/functions/vfork.html).
*
*/
namespace boost { namespace process {
///Namespace containing the posix exensions.
namespace posix {
/** This property lets you modify file-descriptors other than the standard ones (0,1,2).
*
* It provides the functions `bind`, which implements [dup2](http://pubs.opengroup.org/onlinepubs/9699919799/functions/dup.html)
* and [close](http://pubs.opengroup.org/onlinepubs/9699919799/functions/close.html).
*
* Close can also be called with a range of file-descriptors to be closed.
*
*/
constexpr ::boost::process::detail::posix::fd_ fd;
/** This property lets you modify the handling of `SIGCHLD` for this call. It will be reset afterwards.
It can be set to default, by the expression `sig.dfl()`, set to ignore with `sig.ign()` or
assigned a custom handler. A custom handler must have the type `sighandler_t`and can be assigned with the following syntax:
\code{.cpp}
sig = handler;
sig(handler);
\endcode
\warning @ref spawn will automatically use `sig.ign()`, which will override if you pass a custom handler.
*/
constexpr ::boost::process::detail::posix::sig_ sig;
/** This property will replace the usage of [fork](http://pubs.opengroup.org/onlinepubs/9699919799/functions/fork.html) by [vfork](http://pubs.opengroup.org/onlinepubs/009695399/functions/vfork.html).
\note `vfork` is no longer an official part of the posix standard.
*/
constexpr ::boost::process::detail::posix::use_vfork_ use_vfork;
using ::boost::process::detail::posix::sighandler_t;
}}}
#endif /* BOOST_PROCESS_POSIX_HPP_ */
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